In the diagram, 17 toothpicks are used to make a 2 by 3 grid of squares.
Of the toothpicks used, 10 are outer toothpicks and 7 are inner toothpicks. Suppose that toothpicks are used to make a 20 by 24 grid of squares. To the nearest percent, what percentage of toothpicks used are inner toothpicks?
Answer Choices
A. 88 \%
B. 95 \%
C. 93 \%
D. 70 \%
E. 90 \%